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[Docs] Add Qwen2.5-VL guide for the TRT-LLM PyTorch backend, deprecate Llava1.5 guide - #169

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[Docs] Add Qwen2.5-VL guide for the TRT-LLM PyTorch backend, deprecate Llava1.5 guide#169
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@faradawn

@faradawn faradawn commented Sep 1, 2026

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Add Popular_Models_Guide/Qwen2.5-VL/qwen2_5_vl_trtllm_guide.md, documenting
how to serve a multimodal (vision) model on Triton via the TensorRT-LLM
PyTorch backend through the llmapi backend. No engine build is required.

Also add a deprecation banner to the Llava1.5 TensorRT-LLM guide, whose
prebuilt-engine multimodal path is end-of-life as of TensorRT-LLM v1.2.

The multimodal image_url input and triton_config.multimodal opt-in used by
the new guide are added by NVIDIA/TensorRT-LLM#18381, which is not yet
merged; the guide states this prominently.

Signed-off-by: Faradawn Yang <73060648+faradawn@users.noreply.github.com>
all_models/llmapi/ holds exactly one model directory, so it can be used as a
Triton model repository directly instead of copying files into a new one. Give
the concrete clone and model.yaml commands, and add a curl example with the
response it returns.

Signed-off-by: Faradawn Yang <73060648+faradawn@users.noreply.github.com>
whoisj
whoisj previously approved these changes Sep 2, 2026

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LGTM

The backend now accepts only http(s) URLs and inline data URIs; local
filesystem paths and file:// are rejected because the input is
client-controlled. Document that and drop the local-path example.

Signed-off-by: Faradawn Yang <73060648+faradawn@users.noreply.github.com>
The backend rejects local paths, file:// and data: URIs, so document the
http(s)-only scope and drop the data-URI examples.

Signed-off-by: Faradawn Yang <73060648+faradawn@users.noreply.github.com>
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